Category Archives: David E. Joyce

Euclid’s confusions about number types are the pedagogy of 2012.

Euclid’s Elements present a somewhat confused presentation of the concept of number, proportion and magnitude from the modern perspective.  Euclid lacks the sharp clarity of Grassmann, Dedekind, Peano and others who crafted the modern concepts of natural number, rational number … Continue reading

Posted in David E. Joyce, Euclid's Elements, Euclis's Concepts of Number, Proportion and Magnitude | 1 Comment

David Joyce Notes on Richard Dedekind’s “Was sind und was sollen die Zahlen?”

Professor David E. Joyce of Clark University has written up a very valuable set of notes on Richard Dedekind’s book, “Was sind und was sollen die Zahlen?”  (What are and should be the numbers?) (Zahlen is capitalized in German because … Continue reading

Posted in David E. Joyce, Easy Algebra Math Induction Proofs, Essays on the Theory of Numbers, Joyce Notes on Dedekind Nature of Numbers, Richard Dedekind, The Nature and Meaning of Numbers, Uncategorized, Wooster Woodruff Beman | Leave a comment